#include<iostream>
#include<cmath>
using namespace std;
#include<conio.h>
class REctangle{
private:
	double width;
	double height;
public:
	REctangle();
	REctangle(double width, double height);
	REctangle(const REctangle & rect);
	~REctangle();
	double getArea() const;
	double getWidth() const;
	void setWidth(double width);
	double getHeight()const;
	void setHeight(double height);
	const REctangle & operator --();
};